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公开(公告)号:US20160085055A1
公开(公告)日:2016-03-24
申请号:US14855867
申请日:2015-09-16
Applicant: FUJIFILM Corporation
Inventor: Taro ASAMI
CPC classification number: G02B13/0045 , G02B9/64 , G02B13/04 , G02B27/0025
Abstract: An imaging lens consists of, in order from the object side, a negative first lens, a positive second lens, a positive third lens, a negative fourth lens, a positive fifth lens, a positive sixth lens, and a negative seventh lens. When f12 is the combined focal length of the first lens and the second lens, f is the focal length of the entire system, νd7 and νd3 are respectively the Abbe's numbers of the materials of the seventh lens and the third lens with respect to the d line, the following conditional formulae are satisfied: f12/f
Abstract translation: 成像透镜从物体侧依次包括负的第一透镜,正的第二透镜,正的第三透镜,负的第四透镜,正的第五透镜,正的第六透镜和负的第七透镜。 当f12是第一透镜和第二透镜的组合焦距时,f是整个系统的焦距,&alpha; d7和&ngr; d3分别是第七透镜和第三透镜的材料的阿贝数 对于d行,满足以下条件式:f12 / f <-3.2(1)&ngr; d7 <55(2)40 <&ngr; d3(3)。
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公开(公告)号:US20150205075A1
公开(公告)日:2015-07-23
申请号:US14675952
申请日:2015-04-01
Applicant: FUJIFILM Corporation
Inventor: Taro ASAMI , Toshiaki KATSUMA , Toru ITO , Masato KONDO , Ryoko OTOMO
CPC classification number: G02B13/0045 , G02B9/62 , G02B13/04 , G02B13/06 , G02B13/18
Abstract: An imaging lens substantially consists of six lenses of a negative first lens, a negative second lens, a positive third lens, a positive fourth lens, a negative fifth lens and a positive sixth lens in this order from an object side. When a curvature radius of an object-side surface of the fourth lens is R8, and a curvature radius of an image-side surface of the fourth lens is R9, and an Abbe number of the material of the third lens for d-line is νd3, and an Abbe number of the material of the fifth lens for d-line is νd5, the following conditional formulas (1) and (6) are satisfied: −0.61
Abstract translation: 成像透镜基本上由物体侧依次由负的第一透镜,负的第二透镜,正的第三透镜,正的第四透镜,负的第五透镜和正的第六透镜的六个透镜组成。 当第四透镜的物体侧表面的曲率半径为R8时,第四透镜的像侧表面的曲率半径为R9,并且用于d线的第三透镜的材料的阿贝数为 &ngr; d3,并且d线的第五透镜的材料的阿贝数为n5;满足以下条件式(1)和(6):-0.61 <(R8 + R9)/(R8- R9)<0.44(1); 和38.1 <&ngr; d3 +&ngr; d5 <45.1(6)。
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公开(公告)号:US20150205074A1
公开(公告)日:2015-07-23
申请号:US14675892
申请日:2015-04-01
Applicant: FUJIFILM Corporation
Inventor: Taro ASAMI , Toshiaki KATSUMA , Toru ITO , Masato KONDO , Ryoko OTOMO
CPC classification number: G02B13/0045 , G02B9/62 , G02B13/04 , G02B13/06 , G02B13/18
Abstract: An imaging lens substantially consists of six lenses of a negative first lens, a negative second lens, a positive third lens, a positive fourth lens, a negative fifth lens and a positive sixth lens in this order from an object side. When a curvature radius of an object-side surface of the fourth lens is R8, and a curvature radius of an image-side surface of the fourth lens is R9, and an Abbe number of the material of the third lens for d-line is νd3, and an Abbe number of the material of the fifth lens for d-line is νd5, the following conditional formulas (1) and (6) are satisfied: −0.61
Abstract translation: 成像透镜基本上由物体侧依次由负的第一透镜,负的第二透镜,正的第三透镜,正的第四透镜,负的第五透镜和正的第六透镜的六个透镜组成。 当第四透镜的物体侧表面的曲率半径为R8,第四透镜的像侧表面的曲率半径为R9时,d线的第三透镜的材料的阿贝数为 &ngr; d3,并且d线的第五透镜的材料的阿贝数为n5;满足以下条件式(1)和(6):-0.61 <(R8 + R9)/(R8- R9)<0.44(1); 和38.1 <&ngr; d3 +&ngr; d5 <45.1(6)。
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公开(公告)号:US20150177494A1
公开(公告)日:2015-06-25
申请号:US14579118
申请日:2014-12-22
Applicant: FUJIFILM Corporation
Inventor: Taro ASAMI
CPC classification number: G02B13/0045 , G02B3/04 , G02B5/005 , G02B9/62 , G02B13/0015 , G02B13/002 , G02B13/04 , G02B13/18 , G02B15/177
Abstract: An imaging lens composed of six lenses of a negative first lens, a positive second lens, a negative third lens, a positive fourth lens, a positive fifth lens, and a negative sixth lens, disposed in order from the object side, and when refractive indices of the third lens to the sixth lens are taken as Nd3 to Nd6 respectively, the imaging lens satisfies conditional expressions (1): Nd3
Abstract translation: 由物体侧依次配置的由负的第一透镜,正的第二透镜,负的第三透镜,正的第四透镜,正的第五透镜和负的第六透镜的六个透镜构成的成像透镜, 将第三透镜与第六透镜的指数分别作为Nd3〜Nd6,成像透镜满足条件式(1):Nd3 <21 1.7,(2):Nd4 <1.6,(3):Nd5 <1.6,(4) ):Nd6 <1.89。
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公开(公告)号:US20140204478A1
公开(公告)日:2014-07-24
申请号:US14219018
申请日:2014-03-19
Applicant: FUJIFILM Corporation
Inventor: Taro ASAMI , Toshiaki KATSUMA , Toru ITO , Masato KONDO , Ryoko OTOMO
IPC: G02B13/04
CPC classification number: G02B13/0045 , G02B9/62 , G02B13/04 , G02B13/06 , G02B13/18
Abstract: An imaging lens substantially consists of six lenses of a negative first lens, a negative second lens, a positive third lens, a positive fourth lens, a negative fifth lens and a positive sixth lens in this order from an object side. When a curvature radius of an object-side surface of the fourth lens is R8, and a curvature radius of an image-side surface of the fourth lens is R9, and an Abbe number of the material of the third lens for d-line is νd3, and an Abbe number of the material of the fifth lens for d-line is νd5, the following conditional formulas (1) and (6) are satisfied: −0.61
Abstract translation: 成像透镜基本上由物体侧依次由负的第一透镜,负的第二透镜,正的第三透镜,正的第四透镜,负的第五透镜和正的第六透镜的六个透镜组成。 当第四透镜的物体侧表面的曲率半径为R8时,第四透镜的像侧表面的曲率半径为R9,并且用于d线的第三透镜的材料的阿贝数为 &ngr; d3,并且d线的第五透镜的材料的阿贝数为n5;满足以下条件式(1)和(6):-0.61 <(R8 + R9)/(R8- R9)<0.44(1); 和38.1 <&ngr; d3 +&ngr; d5 <45.1(6)。
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16.
公开(公告)号:US20230333400A1
公开(公告)日:2023-10-19
申请号:US18337029
申请日:2023-06-18
Applicant: FUJIFILM Corporation
Inventor: Koichi TANAKA , Shinichi SHIMOTSU , Taro ASAMI , Toshihiro AOI
CPC classification number: G02B27/646 , H04N23/55 , H04N23/687 , H04N23/683 , H04N23/54
Abstract: A processor of a lens device is configured to acquire inclination information related to at least one of an inclination of a first drive axis of a drive mechanism with respect to a first axis of an image sensor or an inclination of a second drive axis of the drive mechanism with respect to a second axis of the image sensor, and perform, with respect to the drive mechanism, control of moving a movement lens along at least one of the first axis or the second axis based on the inclination information.
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公开(公告)号:US20210141198A1
公开(公告)日:2021-05-13
申请号:US17094288
申请日:2020-11-10
Applicant: FUJIFILM Corporation
Inventor: Taro ASAMI , Toshihiro AOI
Abstract: A variable magnification optical system consists of, in order from an object side to an image side, a first lens group, a second lens group, and a subsequent lens group. The variable magnification optical system satisfies a predetermined conditional expression for a partial dispersion ratio related to F line, C line, and a wavelength of 1970.09 nm, a d-line back focus of the variable magnification optical system at a telephoto end, a back focus in any one wavelength from a wavelength of 1300 nm to a wavelength of 2325.42 nm at the telephoto end, and a d-line focal length of the variable magnification optical system at the telephoto end.
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公开(公告)号:US20160085054A1
公开(公告)日:2016-03-24
申请号:US14855734
申请日:2015-09-16
Applicant: FUJIFILM Corporation
Inventor: Taro ASAMI
CPC classification number: G02B13/0045 , G02B9/64 , G02B13/04 , G02B27/0025
Abstract: An imaging lens consists of, in order from the object side, a negative first lens, a positive second lens, a positive third lens, a negative fourth lens, a positive fifth lens, a positive sixth lens, and a negative seventh lens. When f is the focal length of the entire system, D4 is the air space between the second lens and the third lens, f345 is the combined focal length of the third lens, the fourth lens, and the fifth lens, f1 is the focal length of the first lens, and f2 is the focal length of the second lens, the following conditional formulae are satisfied: D4/f
Abstract translation: 成像透镜从物体侧依次包括负的第一透镜,正的第二透镜,正的第三透镜,负的第四透镜,正的第五透镜,正的第六透镜和负的第七透镜。 当f是整个系统的焦距时,D4是第二透镜和第三透镜之间的空间空间,f345是第三透镜,第四透镜和第五透镜的组合焦距,f1是焦距 ,f2是第二透镜的焦距,满足以下条件式:D4 / f <0.39(4)1.8
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公开(公告)号:US20160085053A1
公开(公告)日:2016-03-24
申请号:US14855405
申请日:2015-09-16
Applicant: FUJIFILM Corporation
Inventor: Taro ASAMI
CPC classification number: G02B13/0045 , G02B9/64 , G02B13/04 , G02B27/0025
Abstract: An imaging lens consists of, in order from the object, a negative first lens, a positive second lens, a positive third lens, a negative fourth lens, a positive fifth lens, a positive sixth lens, and a negative seventh lens. When νd7 is the Abbe's number of the material for the seventh lens, f is the focal length of the entire system, and f5 is the focal length of the fifth lens, the following conditional formulae are satisfied: νd7
Abstract translation: 成像透镜从物体起依次包括负的第一透镜,正的第二透镜,正的第三透镜,负的第四透镜,正的第五透镜,正的第六透镜和负的第七透镜。 当&ngr; d7是第七透镜的材料的阿贝数时,f是整个系统的焦距,f5是第五透镜的焦距,满足以下条件式:&ngr; d7 <55( 2)1.25
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公开(公告)号:US20150346458A1
公开(公告)日:2015-12-03
申请号:US14820587
申请日:2015-08-07
Applicant: FUJIFILM Corporation
Inventor: Taro ASAMI
CPC classification number: G02B9/60 , G02B9/34 , G02B13/0015 , G02B13/04 , G02B13/18
Abstract: An imaging lens consists of five lenses of, in order from the object side, a negative first lens, a positive second lens, a negative third lens, a positive fourth lens, and a positive fifth lens. The following conditional expressions are satisfied: Nd3
Abstract translation: 成像透镜由从物体侧起依次为负的第一透镜,正的第二透镜,负的第三透镜,正的第四透镜和正的第五透镜的五个透镜组成。 满足以下条件表达式:Nd3 <1.75(1); &ngr; d3 <27(2); (R3 + R4)/(R3-R4)(4); 和f12 / f <1.5(5),其中Nd3是用于d线的第三透镜的材料的折射率,d3是用于d线的第三透镜的材料的阿贝数,R3是 第二透镜的物体侧表面的曲率半径,R4是第二透镜的像侧表面的曲率半径,f12是第一透镜和第二透镜的组合焦距,f是焦距 的整个系统。
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